Morning Glory Pool is a hot spring in the Upper Geyser Basin of Yellowstone National Park in the United States.
The pool was named by Mrs E. N. McGowan, wife of Assistant Park Superintendent, Charles McGowan in 1883. She called it “Convolutus”, the Latin name for the morning glory flower, which the spring resembles. By 1889, the name Morning Glory Pool had become common usage in the park. Many early guidebooks called this feature Morning Glory Spring.